Step-by-step explanation:
The domain of a function is the complete set of possible values of the independent variable. In plain English, this definition means: The domain is the set of all possible x-values which will make the function "work", and will output real y-values.
$118 is the outliner because it is the furthest away in price compared to the rest.
Instead of x, we write n - 7 in the function equation
